66.199.194 is a class C of IPs

Sample IPs from the class C 66.199.194

66.199.194.146	View precise location of 66.199.194.146 on the map!
66.199.194.238	View precise location of 66.199.194.238 on the map!
66.199.194.220	View precise location of 66.199.194.220 on the map!
66.199.194.251	View precise location of 66.199.194.251 on the map!
66.199.194.207	View precise location of 66.199.194.207 on the map!
66.199.194.225	View precise location of 66.199.194.225 on the map!
66.199.194.174	View precise location of 66.199.194.174 on the map!
66.199.194.219	View precise location of 66.199.194.219 on the map!
66.199.194.121	View precise location of 66.199.194.121 on the map!
66.199.194.184	View precise location of 66.199.194.184 on the map!
66.199.194.48	View precise location of 66.199.194.48 on the map!

10 Random IPs

29.86.84.127	Find precise map location of 29.86.84.127
101.129.159.128	Find precise map location of 101.129.159.128
101.214.16.204	Find precise map location of 101.214.16.204
50.209.222.141	Find precise map location of 50.209.222.141
52.115.88.220	Find precise map location of 52.115.88.220
72.239.21.146	Find precise map location of 72.239.21.146
200.151.33.12	Find precise map location of 200.151.33.12
241.119.193.30	Find precise map location of 241.119.193.30
11.148.101.226	Find precise map location of 11.148.101.226
35.223.82.45	Find precise map location of 35.223.82.45
66.137.58.244	Find precise map location of 66.137.58.244

TestURI.org is a free web-sniffer.net alternative. It alows you to send custom HTTP request and check the HTTP response.